Although there are couple of Anasazi Pueblos in the area, this site could be extremely important for another reason, the network of chambers dug into the (relatively soft) bedrock. They are of completely different style and erosion scale compared to the relatively recent Anasazi Pueblos. Are they are part of network of underground cities that is best visible in West Asia? Unfortunately these chambers appears to be still largely unexplored. Does it continue underground? How long would such an erosion take? And so many other pending questions...